print_api_list: we only handle API results of type 'array'

...for now at least

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

src/PVE/CLIHandler.pm

@@ -466,6 +466,8 @@ sub print_entry {
 sub print_api_list {
     my ($props_to_print, $data, $returninfo) = @_;
 
+    die "can only print array result" if $returninfo->{type} ne 'array';
+
     my $returnprops = $returninfo->{items}->{properties};
 
     my $formatopts = [];